1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c85c5af370804a9d12cb304c7ca2402f1b9d2f616a367455960990978a643d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17a0f46f-49e8-44ae-a82c-03286a3126b0.json and https://artists.proofprofile.net/proofs/artist/17a0f46f-49e8-44ae-a82c-03286a3126b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8461b92c8b6e1d6ea385929d7146b3992d7e8fb6b187d469b60f483443adb6a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7GefVaaFS5rqXRTjdJRCdc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GefVaaFS5rqXRTjdJRCdc.
Playing With Itself - Live At The Phoenix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39290a33b2c96aa6a626582fbf7fc4db9ee1f053822dbff598792b95d85cb0af. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6eAazXH6HcZhl6zKZkfhYu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6eAazXH6HcZhl6zKZkfhYu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c58b10e4be7360600f777e4802cea9988f8a3429f1eb329025add4397aaa17. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IYzFvrbrIX3jtdnUfJlAI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IYzFvrbrIX3jtdnUfJlAI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711685c939dfd2ce9547f3dac78ec7ba07ac504c20bf45eb102b4b2849ce73b6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7BOEpEvfn76Z1Ip37nvoeh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BOEpEvfn76Z1Ip37nvoeh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef6070d788444923ba00c4cd67a70126458dab18c23f787254adfa65ce347e7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/33aTfYK5juaOx4fMUAkgbd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/33aTfYK5juaOx4fMUAkgbd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf1a2ecd715dbf4a70d8b34ca68a03c8e1f78a32e5645dce63e87326b488860. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3IdUNYBoQDvkkD8tx7QgRu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3IdUNYBoQDvkkD8tx7QgRu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e14f3b85e8a9f3892e14e769172995b4d0610d002f0cc1094a0af360155bdb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6DaYun5YOndnPYkwn6KwU8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6DaYun5YOndnPYkwn6KwU8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8b004b705d811217d63fd287ebaefd062084e91caff689d4a80cf5621c81aa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mHQc7unW7vFOcoHHuEH9u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mHQc7unW7vFOcoHHuEH9u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef05e36406997dcb74947b0391fe70cb6f1f2e4b2f5709979573edb8b78f7d0f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3oNKfiTfBDiAyvCCxrzRUj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3oNKfiTfBDiAyvCCxrzRUj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01828f2e36ccae8f80464b4f517de2e9f872c73481b4d9a2320e4fab26cb53ed. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/270zvqXTwmgdgCKz8ybxz0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/270zvqXTwmgdgCKz8ybxz0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59c0630f7a8c8aed4fa34eaa303339bf7022e6eac32b77bc1c49aa5ca9b5c74. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nyMzP18s00XXRH3yUoG5Y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5nyMzP18s00XXRH3yUoG5Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba2f2b1ea1d391060faa50268e7a1e59724bc26f75589314390d764bb961098. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MLKwf9MajwvkD1Hc5QHTe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MLKwf9MajwvkD1Hc5QHTe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ee842fa17970972dc7b9cad94267decc1b3e11c1fcf8b33f5d2060fa135b7f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6s9hSzp9XOut1aWVbGm7ek.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s9hSzp9XOut1aWVbGm7ek.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a90cf1a49f26287d9424a16b8d465645947223b336138c921c3e19889f6d9b3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7e46U1epSK9cYzoRTwbocb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e46U1epSK9cYzoRTwbocb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cff38cd5bccc5db33d388a7ed0d55b0783c5d36a8d27eae8f96bc8e4be0515f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NCTYWEoYSCopUoJUTzKwb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NCTYWEoYSCopUoJUTzKwb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b2874f1ecd6b1afa26789a29bff94e404910b3cc50fac4494c649f736327a64. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70wiyZFxWLTgPFA5sN49BF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70wiyZFxWLTgPFA5sN49BF.
{"copyright_id":"0xbc66f298c4a94b259ec692053d81f566adf91f69ba25674c9ceceda2ba6e6392","isrc":"CAL450691406","name":"Street Justice","registered_at":"2026-06-18T15:57:30Z","spotify_id":"2DcrW0jrsNa2FERK3PE5Ve","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc66f298c4a94b259ec692053d81f566adf91f69ba25674c9ceceda2ba6e6392. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DcrW0jrsNa2FERK3PE5Ve.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DcrW0jrsNa2FERK3PE5Ve.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3c66a29b66e7c2f2f5163b0f7fd5d56db19b0cedb87e36a6dd2d788ef81980. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tuIcuuTBdflzx3SY0UH7F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tuIcuuTBdflzx3SY0UH7F.
{"copyright_id":"0xa662e780b06dfd58953a5f620ae3a3aa5ae404aff241558b9f7aba1c2aa9c53e","isrc":"CAL450691408","name":"Neon Knights","registered_at":"2026-06-07T19:51:15Z","spotify_id":"41TJnVwaAWlC6scep4tRva","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa662e780b06dfd58953a5f620ae3a3aa5ae404aff241558b9f7aba1c2aa9c53e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/41TJnVwaAWlC6scep4tRva.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41TJnVwaAWlC6scep4tRva.
{"copyright_id":"0xd6b16d2755b3c9eb910a50e1fb0cb990fe882bfb48b2ea12a603d1f00e74965d","isrc":"GBTDG1301846","name":"Fit N Finish","registered_at":"2026-06-22T00:21:03Z","spotify_id":"6yZAPnspArgLQAB2gJkYOr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b16d2755b3c9eb910a50e1fb0cb990fe882bfb48b2ea12a603d1f00e74965d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6yZAPnspArgLQAB2gJkYOr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6yZAPnspArgLQAB2gJkYOr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39290a33b2c96aa6a626582fbf7fc4db9ee1f053822dbff598792b95d85cb0af. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0w0kMnIq2ijK3tGTSMJjmk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0w0kMnIq2ijK3tGTSMJjmk.
{"copyright_id":"0xae0ee7ad3b60c96a91dc49d0b14d7d9ca4c8aa333e96893449de65c8d18ebd5e","isrc":"USDM30800001","name":"Bounce - Radio Edit","registered_at":"2026-06-21T19:54:48Z","spotify_id":"3IUGJeE24lS37KiydU8Qxz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0ee7ad3b60c96a91dc49d0b14d7d9ca4c8aa333e96893449de65c8d18ebd5e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3IUGJeE24lS37KiydU8Qxz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3IUGJeE24lS37KiydU8Qxz.
{"copyright_id":"0xae0ee7ad3b60c96a91dc49d0b14d7d9ca4c8aa333e96893449de65c8d18ebd5e","isrc":"USDM30800001","name":"Bounce (feat. N.O.R.E) - Radio Mix","registered_at":"2026-06-21T19:54:48Z","spotify_id":"0yW72L2hHcqZzoKqo1FMVv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0ee7ad3b60c96a91dc49d0b14d7d9ca4c8aa333e96893449de65c8d18ebd5e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yW72L2hHcqZzoKqo1FMVv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yW72L2hHcqZzoKqo1FMVv.
Bounce (feat. N.O.R.E) - Instrumental Mix
Bounce (feat. N.O.R.E) - The Bloody Beetroots Remix
Bounce (feat. N.O.R.E) - High Powered Boys Remix
Bounce (feat. N.O.R.E) - Felix Cartal Remix
{"copyright_id":"0xc6ce6542ec9d40b8f31d9d31b75863cf9aa7e9a853fd0a84dd4d02ef4d944969","isrc":"CAL450693502","name":"Work On You (Radio Edit)","registered_at":"2026-06-19T10:42:12Z","spotify_id":"7x4GnKD4rKziVJvbsh53gY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ce6542ec9d40b8f31d9d31b75863cf9aa7e9a853fd0a84dd4d02ef4d944969. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7x4GnKD4rKziVJvbsh53gY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7x4GnKD4rKziVJvbsh53gY.
{"copyright_id":"0x287dbd54659fbae0761b55eb84215cb65dcffba3b1f44e79a8bbd84d32f514ea","isrc":"CAL450693503","name":"Work On You (Para One Remix)","registered_at":"2026-06-24T14:46:23Z","spotify_id":"3qY9smIMn9EYjmcia0Z99s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287dbd54659fbae0761b55eb84215cb65dcffba3b1f44e79a8bbd84d32f514ea. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qY9smIMn9EYjmcia0Z99s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qY9smIMn9EYjmcia0Z99s.
Heartbreaker (feat. John Legend) - Radio Edit
{"copyright_id":"0x6642b7853d3f65ba339b0b8458f0dd8340a3e83796c4367182856162ece5a5f0","isrc":"USDM31000012","name":"Heartbreaker (feat. John Legend) - Radio Edit","registered_at":"2026-06-10T16:46:48Z","spotify_id":"0AyWq12W8Svxov5Brb5eaQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6642b7853d3f65ba339b0b8458f0dd8340a3e83796c4367182856162ece5a5f0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0AyWq12W8Svxov5Brb5eaQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0AyWq12W8Svxov5Brb5eaQ.
Heartbreaker (feat. John Legend) - Laidback Luke Remix
{"copyright_id":"0x4e6c32f99d340eeee71248d957ea5abd078a9692086202ba95e139ba1c0471bc","isrc":"USDM30900094","name":"Heartbreaker (feat. John Legend) - Laidback Luke Remix","registered_at":"2026-06-09T16:53:52Z","spotify_id":"0kHlbzxIWntpJvFsjWYaO8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6c32f99d340eeee71248d957ea5abd078a9692086202ba95e139ba1c0471bc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kHlbzxIWntpJvFsjWYaO8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kHlbzxIWntpJvFsjWYaO8.
Heartbreaker (feat. John Legend) - Joachim Garraud Remix
Heartbreaker (feat. John Legend) - Wolfgang Gartner Remix
{"copyright_id":"0xec065a1f2b0897f7038fffc7510bfb6bf6a85a94af395b7d4f9c22aad860fac9","isrc":"USDM30900079","name":"Heartbreaker (feat. John Legend) - Wolfgang Gartner Remix","registered_at":"2026-06-25T18:56:21Z","spotify_id":"6I3T5jeE50NIBROicg2AJA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec065a1f2b0897f7038fffc7510bfb6bf6a85a94af395b7d4f9c22aad860fac9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6I3T5jeE50NIBROicg2AJA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6I3T5jeE50NIBROicg2AJA.